# Greenhill Materials
> **Metal/Non-metal** mine · MSHA ID `3401841` · Surface · **Active**
## Operator
- **Controller (parent):** Howard  Sherwood
- **Operator:** Sherwood Construction Company Inc
- **Employees:** 34
- **Commodity:** Stone
## Location
- **State:** OK · Rogers Co.
- **Coordinates:** 36.224444, -95.815556
## Safety record
- **Total accidents/injuries:** 13
- **Fatalities:** 0
- **Total days lost:** 53
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*